CN109773231B - Screw implanting method for machining workpiece blind hole - Google Patents
Screw implanting method for machining workpiece blind hole Download PDFInfo
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- CN109773231B CN109773231B CN201910158265.7A CN201910158265A CN109773231B CN 109773231 B CN109773231 B CN 109773231B CN 201910158265 A CN201910158265 A CN 201910158265A CN 109773231 B CN109773231 B CN 109773231B
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Abstract
A screw rod implanting method for machining a blind hole of a workpiece relates to a method for fixing a screw rod on the workpiece, and the reaming method comprises the following steps: A. marking hole sites on the workpiece; B. drilling a blind hole (16) in the workpiece using a drill bit; C. selecting a matched expanding bit; D. preparing before reaming; E. using a hole expanding drill to punch an annular groove hole expanding (17) in the middle of the blind hole of the workpiece; F. cleaning the blind holes; G. implanting a screw rod; the invention uses the drill to punch holes on the workpiece, uses the expanding drill to expand the blind holes to obtain the blind holes with ring-shaped slot expansion, and uses the metal bonding liquid and the slide block to fix the screw to obtain the connection between the workpiece and the workpiece.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a method for fixing a screw on a workpiece, in particular to a method for implanting a screw for machining a blind hole of the workpiece.
[ background of the invention ]
When a casting is processed in the field of machining, a screw cannot be arranged on the casting, so that the casting is difficult to be connected with other workpieces in later use, and the existing connection mode is that a thin plate with holes is arranged on the workpiece, and then the two workpieces are connected by using bolts; the other mode is that a screw hole is processed on a workpiece, and the connection between the two workpieces is obtained through a screw, so that the connection between the workpieces and the workpiece is extremely limited, for example, the butt joint surfaces of the workpiece A and the workpiece B are directly connected, which cannot be realized in the prior art, and especially when other various devices are required to be fixed on the workpiece, the mode of processing the screw hole on the workpiece cannot meet the actual requirement; the screw rod installation in some special needs can not be adapted, and the prior art has no method for implanting the screw rod on the workpiece.
[ summary of the invention ]
In order to overcome the defects in the background technology, the invention discloses a screw rod implanting method for machining a blind hole of a workpiece.
The technical scheme for realizing the invention is as follows:
a screw rod implanting method for machining a workpiece blind hole comprises the following steps:
A. marking hole sites on the workpiece;
marking hole sites on the workpiece according to a design drawing, and fixing the workpiece on a sliding bedplate of a drilling machine to enable the hole sites to correspond to the drill bits;
B. drilling a blind hole on a workpiece by using a drill bit;
starting equipment to enable the drill bit to punch holes at the marked hole positions, wherein the hole depth needs to meet the requirement of hole expansion to obtain blind holes;
C. selecting a matched expanding bit;
selecting a bearing of the expanding drill bit and the diameter of the drill rod to be matched with or slightly thinner than the aperture of the blind hole;
D. preparing before reaming;
inserting the clamping end of a drill rod of the reaming bit into a clamping sheet of a drilling and rolling head of the bench drill, fixing the clamping end of the drill rod by the clamping sheet of the screwing and rolling head, and then enabling a bearing, a cylinder, a connecting sheet, a connecting block and one end part of the drill rod of the reaming bit to move forward into the blind hole, wherein the outer ring of the bearing is propped against the outer edge wall, close to the bottom of the conical hole at the inner end of the blind hole, of the blind hole;
E. using a hole expanding drill bit to punch an annular groove in the middle of a blind hole of a workpiece for expanding a hole;
starting a main shaft of a drilling machine to drive a hole expanding drill bit to rotate, enabling a workpiece on a sliding table plate to move towards the direction of the hole expanding drill bit through a rocking wheel, enabling an outer ring of a bearing to be abutted against the inner end of a blind hole, enabling an inner ring of the bearing and a drill rod of the hole expanding drill bit to rotate synchronously, bending a connecting part of an extruded connecting sheet and a connecting block, and simultaneously cutting an alloy surface on a convex block in a surrounding mode in the middle of the blind hole until a ring-shaped groove meeting requirements is punched in the middle of the blind hole for; turning off the power supply of the drilling machine, and moving the workpiece on the sliding platen through the rocking wheel to enable the reaming bit to exit the blind hole;
F. cleaning the blind holes;
flushing the blind hole by using a high-pressure water gun to finish the operation;
G. implanting a screw rod;
the method comprises the steps of placing a sliding block into a through hole of a screw rod close to an insertion end, enabling the height of the sliding block to be equal to the diameter of the screw rod, then pouring metal bonding liquid into a blind hole with an annular groove reaming hole, placing the insertion end of the screw rod and the sliding block into the blind hole, enabling the sliding block to be located at the annular groove reaming hole according to the annular groove reaming position of the blind hole and the position of the screw rod sliding block, shaking the screw rod, enabling the lower end of the sliding block to slightly sink and enter the annular groove reaming hole, obtaining implantation of the screw rod after the metal bonding liquid is solidified, and enabling external threads at the outer end of.
According to the screw implanting method for machining the blind hole of the workpiece, the diameter of the reaming bit is in the range of zero point eight centimeters to five centimeters; the feed depth of the drill bit is more than five centimeters.
In the method for implanting the screw for machining the blind hole of the workpiece, when the drilling and reaming operations in the steps B and E are carried out, a water pipe is arranged at the upper part of the workpiece on the upper part of the installed drill bit or the upper part of the reaming drill bit, wherein the water pipe can be opened simultaneously during the drilling operation so that cooling water cools the drill bit in the drilling operation process; when the reaming operation, the cooling water that utilizes the water pipe makes the reaming operation process to the alloy face cooling, and the iron fillings that produce during the reaming operation and water are discharged through the chip removal draw-in groove on the drilling rod simultaneously.
According to the screw implanting method for machining the workpiece blind hole, when the through hole of the screw is a round hole and the slider is round in the step G, the limiting groove is formed in the inner side of the slider, a fine hole penetrating through the middle of the through hole is formed in the end face of the insertion end of the screw, an inserted rod with a proper length is inserted into the fine hole from the end of the screw, and the inserted rod enters the limiting groove to obtain the hole expansion of the annular groove where the higher part of the outer side of the slider enters.
According to the screw rod implanting method for machining the blind hole of the workpiece, the reaming drill bit is structurally characterized in that one end of a drill rod is eccentrically hinged with one end of a connecting block, the other end of the connecting block is hinged with one end of a connecting sheet, a convex block is arranged on the outer side of the other end of the connecting block, an alloy surface is arranged on the outer side of the convex block, the other end of the connecting sheet is hinged with one end of a cylinder, a bearing is arranged on the other end of the cylinder, and the diameter of the outer ring of the bearing is larger than that of the cylinder; the diameter of the outer edge of the reaming bit bearing is equal to that of the outer edge of the reaming bit drill rod.
The screw rod implantation method of machine tooling work piece blind hole, be equipped with cutting face B on the one end front and back of reaming drill bit drilling rod respectively, one end terminal surface between two cutting face B of drilling rod is equipped with the chip removal draw-in groove, is equipped with the groove of extension at drilling rod chip removal draw-in groove to the middle part of drilling rod, the groove that extends forms the chip groove, chip removal draw-in groove and chip groove intercommunication, the fluting of chip removal draw-in groove to a drilling rod side, that is to say that drilling rod another side is closed state, is equipped with the shaft hole E who link up two cutting face B in the one side that is close to two cutting face B, the one end of connecting block is inserted in the chip removal draw-in groove, axle A wears in shaft hole E, the middle part of axle A forms the eccentric one end of.
According to the screw implanting method for machining the blind hole of the workpiece, a slot is formed in the middle of the end face of the other end of the reaming bit connecting block to the position close to the other end, a shaft hole C penetrating through the connecting block is formed in the other end of the connecting block, one end of the connecting piece is inserted into the slot, a shaft B penetrates through the shaft hole C of the connecting block, and the middle of the shaft B penetrates through the shaft hole B at one end of the connecting piece to obtain the hinged connection of the other end of the connecting block and one end of the connecting piece.
According to the screw implanting method for machining the blind hole of the workpiece, a conical surface is arranged on the end face of the other end of the reaming bit cylinder, the inserting column is arranged in the middle of the conical surface, and the inner ring of the bearing is fixed on the outer edge surface of the inserting column.
The screw implanting method for machining the blind hole of the workpiece is characterized in that cutting surfaces A are respectively arranged on the front face and the rear face of one end of a reaming bit cylinder, a groove is formed in one end of the cylinder between the two cutting surfaces A, shaft holes A penetrating through the two cutting surfaces A are formed in one sides, close to the two cutting surfaces A, of the two cutting surfaces A, the other end of a connecting sheet is inserted into the groove, a shaft C penetrates through the shaft holes A of the cylinder, and the middle of the shaft C is located in the shaft hole B of the other end of the connecting sheet to form hinged connection of the other end of the connecting sheet and.
According to the screw implanting method for machining the blind hole of the workpiece, the outer side of the other end of the reaming bit connecting block is provided with the protruding block, the outer side of the protruding block is of a planar structure, the plane of the protruding block and the extending direction of the other end of the connecting block axially rotate for forty degrees to sixty degrees, and alloy surfaces are arranged on the plane of the protruding block and on two sides of the plane of the protruding block.
Through the disclosure, the beneficial effects of the invention are as follows:
according to the screw implanting method for machining the blind holes of the workpiece, the blind holes are firstly punched on the workpiece through a common drill bit, and then the annular grooves are punched in the blind holes through a hole expanding drill bit to expand the holes, so that implanting conditions of the screw are obtained; in order to implant the screw stably, a proper amount of metal bonding liquid can be put into the blind hole with the hole enlarged by the ring groove, and high-temperature resistant Japanese allergy hardening SE-114 can be used according to actual working conditions; the method comprises the steps of preparing a special metal adhesive such as German Baide metal repair adhesive, inserting a screw into a blind hole, expanding and occluding a slide block and an annular groove by slight vibration and shaking after the screw enters the blind hole, and then obtaining the stable implantation of the screw in the blind hole after the metal adhesive is solidified; the blind hole screw implantation of the invention lays a foundation for subsequent use, and effectively expands the application range and function expansion of workpieces.
[ description of the drawings ]
FIG. 1 is a schematic representation of the operational steps of the present invention;
FIG. 2 is a schematic view of a reamer bit of the present invention in use;
FIG. 3 is a schematic diagram of a counterbore blind hole configuration obtained by the present invention;
FIG. 4 is a schematic view of the reamer head of the present invention shown entering a blind hole;
fig. 5 is a schematic view of a cutting state of the reamer bit of the invention;
FIG. 6 is a schematic view of the screw of the present invention;
FIG. 7 is a schematic view of the screw of the present invention implanted in a blind hole;
fig. 8 is a schematic view of a reamer bit of the present invention;
FIG. 9 is a schematic perspective view of a drill pipe utilizing the present invention;
fig. 10 is a perspective view of a connection block of the reamer bit of the invention;
FIG. 11 is a perspective view of a coupling tab of the reamer bit of the invention;
fig. 12 is a schematic perspective view of a cylindrical body of the reamer bit of the invention;
in the figure: 1. drilling and rolling a head; 2. a clamping piece; 3. a water pipe; 4. cooling water; 5. scrap iron and water; 6. a drill stem; 7. an axis A; 8. alloy surface; 9. connecting blocks; 10. a shaft B; 11. connecting sheets; 12. an axis C; 13. a cylinder; 14. a bearing; 15. a workpiece; 16. blind holes; 17. reaming the annular groove; 18. a clamping end; 19. a raised block; 20. fine pores; 21. inserting a rod; 22. a slider; 23. a limiting groove; 24. an external thread; 25. a screw; 26. a through hole; 27. a metal bonding liquid; 28. an inner ring; 29. inserting a column; 30. a conical surface; 31. a groove; 32. the shaft hole A; 33. a cutting face A; 34. a shaft hole B; 35. a shaft hole C; 36. a shaft hole D; 37. a shaft hole E; 38. a cutting face B; 39. a chip removal clamping groove; 40. and (4) a slot.
[ detailed description ] embodiments
The present invention will be further illustrated with reference to the following examples; the following examples are not intended to limit the present invention, and are only used as a support for the implementation of the present invention, and any equivalent structure replacement within the technical framework of the present invention is included in the protection scope of the present invention;
the method for implanting the screw for machining the blind hole of the workpiece, which is described in conjunction with the accompanying drawings 1 to 12, uses a reamer bit structure:
the reaming bit is structurally characterized in that one end of a drill rod 6 is eccentrically hinged with one end of a connecting block 9, the other end of the connecting block 9 is hinged with one end of a connecting piece 11, a convex block 19 is arranged on the outer side of the other end of the connecting block 9, an alloy surface 8 is arranged on the outer side of the convex block 19, the other end of the connecting piece 11 is hinged with one end of a cylinder 13, a conical surface 30 is arranged on the end surface of the other end of the cylinder 13, an insert column 29 is arranged in the middle of the conical surface 30, an inner ring 28 of a bearing 14 is fixed on the outer edge surface of the insert column 29, and the diameter of the outer ring of the bearing 14 is; the diameter of the outer edge of the reaming bit bearing 14 is equal to the diameter of the outer edge of the reaming bit drill rod 6.
Combine figure 4, 5, 8, 9 or 10, be equipped with cutting face B38 on the one end front and back face of reaming drill bit drilling rod 6 respectively, the one end terminal surface between 6 two cutting faces B38 of drilling rod is equipped with chip removal draw-in groove 39, is equipped with the groove that extends at 6 chip removal draw-in groove 39 to the middle part of drilling rod 6, the flute that extends becomes the chip groove, chip removal draw-in groove 39 and chip groove intercommunication, the fluting to 6 a side of drilling rod of chip removal draw-in groove 39, that is to say 6 another sides of drilling rod are closed condition, are equipped with the shaft hole E37 who link up two cutting faces B38 in the one side that is close to two cutting faces B38, and the one end of connecting block 9 is inserted in chip removal draw-in groove 39, and axle A7 is worn in shaft hole E37, the middle part of axle A7 is in the shaft hole D36 of connecting.
With reference to fig. 4, 5, 8, 10 or 11, a slot 40 is arranged in the middle of the end face of the other end of the reamer bit connecting block 9 to the end close to the other end, a shaft hole C35 penetrating through the connecting block 9 is arranged at the other end of the connecting block 9, one end of the connecting piece 11 is inserted into the slot 40, a shaft B10 penetrates through the shaft hole C35 of the connecting block 9, and the middle of the shaft B10 penetrates through the shaft hole B34 at one end of the connecting piece 11 to obtain that the other end of the connecting block 9 is hinged to one end of the connecting piece 11.
With reference to fig. 4, 5, 8, 11 or 12, the front and rear surfaces of one end of the reamer bit cylinder 13 are respectively provided with a cutting surface a33, one end of the cylinder 13 between the two cutting surfaces a33 is provided with a groove 31, one side of the two cutting surfaces a33 close to each other is provided with a shaft hole a32 penetrating through the two cutting surfaces a33, the other end of the connecting piece 11 is inserted into the groove 31, a shaft C12 penetrates through the shaft hole a32 of the cylinder 13, and the middle part of the shaft C12 is positioned in the shaft hole B34 at the other end of the connecting piece 11 to form a hinged connection between the other end of the connecting piece 11 and one end of the cylinder.
Combine fig. 4, 5, 8 or 10, be equipped with protruding piece 19 in the other end outside of reaming drill bit connecting block 9, the protruding piece 19 outside is planar structure, and the plane of protruding piece 19 and the other end extending direction of connecting block 9 are axial rotation between forty degrees to sixty degrees, all be equipped with alloy face 8 on the plane of protruding piece 19 and the plane both sides.
The installation process of the expanding bit comprises the following steps:
putting one end of a column body 13 downwards on a working table, placing an inner ring 28 of a bearing 14 on the upper part of an insert column 29, padding a wood plate on the upper part of the bearing 14, then knocking the wood plate by using a hammer to firmly fix the bearing 14 on the insert column 29, putting the other end of a connecting piece 11 into a groove 31 of the column body 13, enabling a shaft hole A32 of the column body 13 to correspond to a shaft hole B34 of the connecting piece 11, putting one cutting surface A33 of the column body 13 on a supporting block after a shaft C12 passes through a shaft hole A32 on the upper part of the column body 13, a shaft hole B34 of the connecting piece 11 and a shaft hole A32 on the lower part of the column body 13, and knocking two ends of; placing one end of the connecting block 9 into a chip removal clamping groove 39 of the drill rod 6, penetrating a shaft A7 through a shaft hole E37 of an upper cutting surface B38 of the drill rod 6, a shaft hole D36 of one end of the connecting block 9 and a shaft hole E37 of a lower cutting surface B38 of the drill rod 6, placing one cutting surface B38 of the drill rod 6 on a supporting block, and roughening two ends of the shaft A7 by using a hammer; one end of the connecting piece 11 penetrates into the slot 40 at the other end of the connecting block 9, a shaft B10 penetrates through a shaft hole C35 at the upper part of the connecting block 9, a shaft hole B34 at one end of the connecting piece 11 and a shaft hole C35 at the upper part of the connecting block 9, one surface of the connecting block 9 is placed on a supporting block, and two ends of the shaft B10 are roughened by a hammer to obtain the reaming device.
The hole expanding method comprises the following steps:
A. marking hole sites on the workpiece;
marking hole sites on the workpiece 15 according to a design drawing, and fixing the workpiece 15 on a sliding bedplate of a drilling machine to enable the hole sites to correspond to drill bits;
B. drilling a blind hole 16 in the workpiece using a drill bit;
starting the equipment to make the drill bit punch at the marked hole position, wherein the hole depth needs to meet the requirement of reaming to obtain a blind hole 16;
C. selecting a matched expanding bit;
the diameter of the bearing 14 of the reamer bit and the diameter of the drill rod 6 are selected to be matched with the aperture of the blind hole 16 or slightly thinner;
D. preparing before reaming;
inserting the clamping end 18 of the reaming bit drill rod 6 into the clamping sheet 2 of the bench drill chuck 1, fixing the clamping end 18 of the drill rod 6 by the clamping sheet 2 of the screwing chuck 1, and then enabling the bearing 14, the cylinder 13, the connecting sheet 11, the connecting block 9 and one end part of the drill rod 6 of the reaming bit to enter the blind hole 16 along the blind hole, wherein the outer ring of the bearing 14 is propped against the outer edge wall close to the bottom of the conical hole at the inner end of the blind hole 16;
E. using a hole expanding drill to punch an annular groove hole expanding 17 in the middle of the blind hole of the workpiece;
starting a main shaft of a drilling machine to drive a hole expanding drill bit to rotate, enabling a workpiece 15 on a sliding table plate to move towards the direction of the hole expanding drill bit through a rocking wheel, enabling an outer ring of a bearing 14 to be abutted against the inner end of a blind hole 16 at the moment, enabling an inner ring 28 of the bearing 14 to rotate synchronously with a drill rod 6 of the hole expanding drill bit, bending a connection part of an extruded connecting piece 11 and a connecting block 9, and simultaneously enabling an alloy surface 8 on a convex block 19 to start to perform surrounding cutting on the middle of the blind hole 16 until a required annular groove hole expanding 17 is punched in the middle of the blind; turning off the power supply of the drilling machine, and moving the workpiece 15 on the sliding platen through the rocking wheel to enable the reaming bit to exit the blind hole 16;
F. cleaning the blind holes;
flushing the blind hole 16 by using a high-pressure water gun to finish the operation;
G. implanting a screw rod;
putting the sliding block 22 into a through hole 26 of the screw rod 25 close to the insertion end, wherein the height of the sliding block 22 is equal to the diameter of the screw rod 25, then pouring metal bonding liquid 27 into the blind hole 16 with the annular groove counterbored hole 17, putting the insertion end of the screw rod 25 and the sliding block 22 into the blind hole 16, enabling the sliding block 22 to be positioned at the annular groove counterbored hole 17 according to the position of the annular groove counterbored hole 17 of the blind hole 16 and the position of the sliding block 22 of the screw rod 25, shaking the screw rod 25, then enabling the lower end of the sliding block 22 to slightly sink and enter the annular groove counterbored hole 17, obtaining the implantation of the screw rod 25 after the metal bonding liquid 27 is solidified, and enabling the external thread 24.
Further, the diameter of the expanding drill bit is in the range of zero point eight centimeters to five centimeters; the feed depth of the drill bit is more than five centimeters.
Further, during the punching and reaming operation in the steps B and E, a water pipe 3 is arranged on the upper part of the workpiece 15 on the upper part of the installed drill bit or the reamer bit, wherein the water pipe 3 can be opened simultaneously during the punching operation, so that the cooling water 4 cools the drill bit during the punching operation; when reaming operation, utilize cooling water 4 of water pipe 3 to make reaming operation process to 8 cooling of alloy face, the iron fillings that produce during the reaming operation simultaneously and water 5 are discharged through chip removal draw-in groove 39 on the drilling rod 6.
Further, when the through hole 26 of the screw rod 25 is used as a circular hole and the sliding block 22 is used as a circular hole in the step G, the inner side of the sliding block 22 is provided with the limiting groove 23, the end face of the insertion end of the screw rod 25 is provided with the fine hole 20 penetrating through the middle of the through hole 26, the insertion rod 21 with a proper length is used to penetrate through the fine hole 20 of the insertion end of the screw rod 25, and the insertion rod 21 enters the limiting groove 23 to obtain the hole 17 entering the annular groove at the higher part of the outer side of the.
The present invention is not described in detail in the prior art.
Claims (4)
1. A screw rod implantation method for machining a blind hole of a workpiece is characterized in that: the hole expanding method comprises the following steps:
A. marking hole sites on the workpiece;
marking hole sites on the workpiece (15) according to a design drawing, and fixing the workpiece (15) on a sliding bedplate of a drilling machine to enable the hole sites to correspond to drill bits;
B. drilling a blind hole on a workpiece by using a drill bit;
starting the equipment to enable the drill bit to punch holes at the marked hole positions, wherein the hole depth needs to meet the requirement of hole expansion to obtain blind holes (16);
C. selecting a matched expanding bit;
selecting the diameter of a bearing (14) of the reamer bit and the diameter of the drill rod (6) to be matched with the aperture of the blind hole (16) or slightly thinner;
D. preparing before reaming;
inserting a clamping end (18) of a drill rod (6) of a reaming bit into a clamping sheet (2) of a rolling head (1) of a bench drill, fixing the clamping end (18) of the drill rod (6) by the clamping sheet (2) of the rolling head (1) of a twist drill, and then enabling a bearing (14), a cylinder (13), a connecting sheet (11), a connecting block (9) and one end of the drill rod (6) of the reaming bit to move forward into a blind hole (16), wherein the outer ring of the bearing (14) is propped against the outer edge wall, close to the bottom of a conical hole, at the inner end of the blind hole (16);
E. using a hole expanding drill bit to punch an annular groove in the middle of a blind hole of a workpiece for expanding a hole;
starting a main shaft of a drilling machine to drive a hole expanding drill bit to rotate, enabling a workpiece (15) on a sliding table plate to move towards the direction of the hole expanding drill bit through a rocking wheel, enabling an outer ring of a bearing (14) to abut against the inner end of a blind hole (16), enabling an inner ring (28) of the bearing (14) and a drill rod (6) of the hole expanding drill bit to rotate synchronously, bending a connection part of an extruded connecting piece (11) and a connecting block (9), and simultaneously enabling an alloy surface (8) on a convex block (19) to start to perform surrounding cutting on the middle of the blind hole (16) until a ring-shaped groove hole expanding hole (17) meeting requirements is punched in the middle of the blind hole (; turning off the power supply of the drilling machine, and moving a workpiece (15) on the sliding bedplate through the rocking wheel to enable the reaming bit to exit the blind hole (16);
F. cleaning the blind holes;
flushing the blind hole (16) by using a high-pressure water gun to finish the operation;
G. implanting a screw rod;
putting a sliding block (22) into a through hole (26) of a screw rod (25) close to an insertion end, wherein the height of the sliding block (22) is equal to the diameter of the screw rod (25), then pouring metal bonding liquid (27) into a blind hole (16) with an annular groove reaming hole (17), putting the insertion end of the screw rod (25) and the sliding block (22) into the blind hole (16), enabling the sliding block (22) to be positioned at the annular groove reaming hole (17) according to the position of the annular groove reaming hole (17) of the blind hole (16) and the position of the sliding block (22) of the screw rod (25), shaking the screw rod (25), and then sinking a small amount of the lower end of the sliding block (22) into the annular groove reaming hole (17) until the metal bonding liquid (27) is solidified to obtain the implantation of the screw rod (25), wherein an external thread (24) at the outer end of the screw rod (25) can be;
the reaming drill bit is structurally characterized in that one end of a drill rod (6) is eccentrically hinged with one end of a connecting block (9), the other end of the connecting block (9) is hinged with one end of a connecting sheet (11), a convex block (19) is arranged on the outer side of the other end of the connecting block (9), an alloy surface (8) is arranged on the outer side of the convex block (19), the other end of the connecting sheet (11) is hinged with one end of a cylinder (13), a bearing (14) is arranged on the other end of the cylinder (13), and the diameter of the outer ring of the bearing (14) is larger than that of the cylinder (13); the diameter of the outer edge of the bearing (14) of the expanding bit is equal to that of the outer edge of the drill rod (6) of the expanding bit;
the front and the rear surfaces of one end of the reaming bit drill rod (6) are respectively provided with a cutting surface B (38), the end surface of one end between the two cutting surfaces B (38) of the drill rod (6) is provided with a chip removal clamping groove (39), an extended groove is arranged between the chip removal clamping groove (39) of the drill rod (6) and the middle part of the drill rod (6), the extended groove forms a chip removal groove, the chip removal clamping groove (39) is communicated with the chip removal groove, the groove of the chip removal clamping groove (39) is opened to one side surface of the drill rod (6), namely the other side surface of the drill rod (6) is in a closed state, one side close to the two cutting surfaces B (38) is provided with a shaft hole E (37) penetrating through the two cutting surfaces B (38), one end of the connecting block (9) is inserted into the chip removal clamping groove (39), the shaft A (7) penetrates into the shaft hole E (37), the middle part of the shaft A (7) is positioned in a shaft hole D (36) at one end of the connecting block (9) to form one end of the drill rod (6) which is eccentrically hinged with one end of the connecting block (9);
the other end of the reaming bit connecting block (9) is provided with a slot (40), the other end of the connecting block (9) is provided with a shaft hole C (35) penetrating through the connecting block (9), one end of the connecting sheet (11) is inserted into the slot (40), a shaft B (10) penetrates through the shaft hole C (35) of the connecting block (9), and the middle of the shaft B (10) penetrates through the shaft hole B (34) at one end of the connecting sheet (11) to obtain that the other end of the connecting block (9) is hinged with one end of the connecting sheet (11);
a conical surface (30) is arranged on the end surface of the other end of the reaming bit cylinder (13), the inserted column (29) is arranged in the middle of the conical surface (30), and an inner ring (28) of the bearing (14) is fixed on the outer edge surface of the inserted column (29);
cutting surfaces A (33) are respectively arranged on the front and rear surfaces of one end of a reamer bit cylinder (13), one end of the cylinder (13) between the two cutting surfaces A (33) is provided with a groove (31), one side, close to the two cutting surfaces A (33), of each cutting surface A is provided with a shaft hole A (32) penetrating through the two cutting surfaces A (33), the other end of a connecting sheet (11) is inserted into the groove (31), a shaft C (12) penetrates through the shaft hole A (32) of the cylinder (13), and the middle of the shaft C (12) is positioned in the shaft hole B (34) at the other end of the connecting sheet (11) to form hinged connection of the other end of the connecting sheet (11) and one end of the cylinder (13);
be equipped with protruding piece (19) in the other end outside of reaming drill bit connecting block (9), protruding piece (19) outside is planar structure, and the plane of protruding piece (19) and the other end extending direction of connecting block (9) are between forty degrees to sixty degrees of axial rotation, all be equipped with alloy face (8) on the plane of protruding piece (19) and plane both sides.
2. The method of claim 1 for implanting a threaded rod for machining blind holes in a workpiece, comprising: the diameter of the reaming bit is between the range of zero point eight centimeters and five centimeters; the feed depth of the drill bit is more than five centimeters.
3. The method of claim 1 for implanting a threaded rod for machining blind holes in a workpiece, comprising: during the punching and reaming operation in the steps B and E, a water pipe (3) is arranged on the upper part of a workpiece (15) on the upper part of the installed drill bit or the reamer bit, wherein the water pipe (3) can be opened simultaneously during the punching operation, so that the cooling water (4) cools the drill bit in the punching operation process; during reaming operation, the cooling water (4) of the water pipe (3) is utilized to cool the alloy surface (8) in the reaming operation process, and simultaneously, scrap iron and water (5) generated during reaming operation are discharged outside through the chip removal clamping groove (39) on the drill rod (6).
4. The method of claim 1 for implanting a threaded rod for machining blind holes in a workpiece, comprising: when the through hole (26) of the screw rod (25) is used as a round hole and the sliding block (22) is circular in the step G, the limiting groove (23) is formed in the inner side of the sliding block (22), a fine hole (20) penetrating through the middle of the through hole (26) is formed in the end face of the insertion end of the screw rod (25), the insertion rod (21) with the appropriate length penetrates through the fine hole (20) of the insertion end of the screw rod (25), and the insertion rod (21) enters the limiting groove (23) to obtain the entering annular groove reaming hole (17) of the higher portion of the outer side of the sliding block (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910158265.7A CN109773231B (en) | 2019-03-04 | 2019-03-04 | Screw implanting method for machining workpiece blind hole |
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| RO113267B1 (en) * | 1994-05-09 | 1998-05-29 | Stan Oprea | Expandable drilling bit |
| JP2001020650A (en) * | 1999-07-02 | 2001-01-23 | Iwanami Consulting Kk | Method and device for drilling anchor hole |
| CN1322220C (en) * | 2003-05-09 | 2007-06-20 | 陆观宏 | Drill expanding aiguille of anchor shaft, anchor cable, stake and drill expanding technology |
| CN202031482U (en) * | 2011-05-13 | 2011-11-09 | 乔国华 | Square piston type anchoring and chambering drilling rig |
| CN202209146U (en) * | 2011-07-11 | 2012-05-02 | 成都四海岩土工程有限公司 | Reamer |
| CN106337656B (en) * | 2016-08-19 | 2018-08-10 | 盘锦辽河油田泰成实业有限责任公司 | Reaming pdc drill bits in a kind of pressure |
| CN109281619A (en) * | 2017-07-20 | 2019-01-29 | 天津天阀门有限公司 | A kind of well novel adjustable bottom expanding drill |
| CN108301775A (en) * | 2018-04-27 | 2018-07-20 | 中国铁道科学研究院深圳研究设计院 | Soil layer variable diameters mechanical hole reaming drill bit and the boring method for using the drill bit |
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